* {
    outline: none;
}

html {
    height: 100%;
}

body {
    background: url(".jpeg") no-repeat center center;
    background-size: 100%;
    height: 100%;
}

.cover {
    width: 100%;
    height: 100%;
    position: absolute;
    background: #272729;
    opacity: 0.4;
}

#login_frame {
    width: 600px;
    height: 400px;
    padding: 13px;
    position: absolute;
    left: 50%;
    top: 50%;
    background-color: rgb(51 56 56 / 50%);
    border-radius: 100px 4px 100px 4px;
    text-align: center;
    transform: translate(-50%, -50%);
    box-shadow: 0px 0px 8px 1px white;
}

form p > * {
    display: inline-block;
    vertical-align: middle;
    color: #3e312b;
}

#image_logo {
    margin-top: 22px;
    height: 70px;
    font-size: 30px;
    font-family: 宋体;
    font-weight: 900;
    padding-top: 20px;
    color: white;
    text-shadow: 5px 5px 3px #adadad;
}

.label_input {
    font-size: 14px;
    font-family: 宋体;
    width: 65px;
    height: 28px;
    line-height: 28px;
    text-align: center;
    margin: 0px;
    color: white;
    background-color: #45d0f3;
    border-top-left-radius: 5px;
    border-bottom-left-radius: 5px;
}

.text_field {
    width: 278px;
    height: 28px;
    border-top-right-radius: 5px;
    border-bottom-right-radius: 5px;
    padding: 7px;
    border: 0;
}

#login_btn {
    font-size: 14px;
    font-family: 宋体;

    width: 120px;
    height: 28px;
    line-height: 28px;
    text-align: center;

    color: white;
    background-color: #45d0f3;
    border-radius: 6px;
    border: 0;
    font-weight: 700;
    float: left;
}

#login_control {
    padding: 0 28px;
    height: 40px;
    line-height: 24px;
    position: relative;
}

#login_control span {
    position: absolute;
    display: inline-block;
    width: 186px;
    background: #cc3d3d;
    color: white;
    border-radius: 4px;
    top: 8px;
    font-size: 15px;
    font-family: Microsoft Yahei;
    font-weight: 400;
}

.text-danger {
    margin-top: 3px;
    font-size: 13px;
    font-family: 宋体;
    font-weight: 600;
}

#username {
    margin-bottom: 15px;
    height: 58px;
    margin-top: 27px;
}

#username label {
    background: #3c8faf;
    line-height: 50px;
    font-size: 18px;
    font-family: Microsoft Yahei;
    letter-spacing: 4px;
    float: left;
    height: 50px;
}

#username input {
    float: left;
    height: 36px;
    line-height: 50px;
    font-size: 19px;
    color: #4a4747;
    text-indent: 8px;
    margin: 0;
}

#password {
    height: 58px;
}

#password label {
    background: #3c8faf;
    line-height: 50px;
    font-size: 18px;
    font-family: Microsoft Yahei;
    letter-spacing: 4px;
    float: left;
    height: 50px;
}

#password input {
    float: left;
    height: 36px;
    line-height: 50px;
    font-size: 19px;
    color: #4a4747;
    text-indent: 8px;
    margin: 0;
}

.clear {
    content: '';
    display: block;
    clear: both;
}

#login_frame form {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

#login_btn {
    font-size: 23px;
    font-family: Microsoft Yahei;
    width: 100px;
    height: 40px;
    background: none;
    border-bottom: 2px solid #cc3d3d;
    letter-spacing: 6px;
    border-radius: 1px;
    text-shadow: 0px 0px 10px black;
    transition: all 1s;
}

#login_btn:hover {
    color: #000;
    text-shadow: 0px 0px 10px white;
    border-bottom: 2px solid deepskyblue;
}

.forget_pwd {
    height: 50px;
    width: 300px;
    line-height: 50px;
    margin-top: 10px;
}

.forget_pwd a:nth-child(1) {
    float: left;
    font-size: 17px;
    color: #b0c4fb;
    text-decoration: none;
    font-family: Microsoft Yahei;
    width: 100px;
    height: 40px;
    line-height: 40px;
    background: none;
    border-bottom: 1px solid #8a8a8a;
    letter-spacing: 3px;
    border-radius: 1px;
    text-shadow: 0px 0px 10px black;
    transition: all 1s;
}

.forget_pwd a:nth-child(2) {
    float: right;
    font-size: 17px;
    color: #b0c4fb;
    text-decoration: none;
    font-family: Microsoft Yahei;
    width: 100px;
    height: 40px;
    line-height: 40px;
    background: none;
    border-bottom: 1px solid #8a8a8a;
    letter-spacing: 3px;
    border-radius: 1px;
    text-shadow: 0px 0px 10px black;
    transition: all 1s;
}
.forget_pwd a:nth-child(3) {
    float: right;
    font-size: 17px;
    color: #b0c4fb;
    text-decoration: none;
    font-family: Microsoft Yahei;
    width: 100px;
    height: 40px;
    line-height: 40px;
    background: none;
    border-bottom: 1px solid #8a8a8a;
    letter-spacing: 3px;
    border-radius: 1px;
    text-shadow: 0px 0px 10px black;
    transition: all 1s;
}

.forget_pwd a:hover {
    color: #f3f3f3;
    text-shadow: 0px 0px 10px #000000;
}

